AOP Treatment System Trials Prove a Success
Published on by Water Network Research, Official research team of The Water Network in Technology
Trials of a Revolutionary Treatment System That Can Remove Water Contaminates to Within Safe Regulatory Limits Have Been Completed Successfully by Xylem
The objective of the trial was to establish whether the Xylem AOP system, called Promix, is capable of removing background and spiked levels of contaminants, such as Metaldehyde and Clopyralid, from surface water.
Also, the trial was tasked with assessing Promix's ability to maintain bromate levels below 5µg/l. When oxidised, bromide becomes bromate, which is a human carcinogen and a listed compound by the World Health Organisation and the US Environmental Protection Agency.
Tony Swierk, ozone sales manager at Xylem, said: "The trial clearly demonstrated that when applying relatively high ozone doses in the range of 8-10mg/l provided reduction rates on Metaldehyde of approximately 70-75%. At similar dose rates, approximately 50% reduction of Clopyralid was achieved. At dose ratios of 2.5:1 (H2O2/O3) bromate levels did not exceed 5µg/l at any stage."
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